Circa 1904. "The Philadelphia Bourse, Fourth and Ranstead Sts." 8x10 inch dry plate glass negative, Detroit Publishing Company. View full size.

California in 1918. "Chalmers touring car on dunes." Along with a reminder from the Sparton auto-accessories company to sound your horn -- branding disguised as a safety message. 5x7 glass negative by Christopher Helin. View full size.

New Orleans circa 1925. "View of a courtyard." Evidently the rear entrance to Club Firestone. Note the zigzag extension of the downspout under the patio flags. Nitrate negative by Arnold Genthe. View full size.

Washington, D.C., circa 1926. "Eastern Dispensary, Casualty Hospital." Where they'll fix you up good as new. National Photo Co. glass negative. View full size.

"Gurley-Lord service station, San Francisco, 1929." One of eight 8x10 negatives showing rubber-related activities at Goodyear tire dealers. View full size.

May 1937. "One of Max Sparks' children playing on homemade teeter-totter near Long Lake, Wisconsin." Medium format negative by Russell Lee. View full size.

"Grace's flowers -- 18 Sept 1951." In this latest episode of Minnesota Koda­chromes the outlook is, regardless of the weather, Sunny and Warm. Color slide by Hubert Tuttle of his lovely wife and her beautiful flowers. View full size.